A thought or feeling that exists in one's mind; often used in the pattern '～の念'.
合格の念を胸に、彼女は試験会場へ向かった。
With the thought of passing in her heart, she went to the exam hall.
最後までやり切ろうという念が、彼を支えた。
The determination to finish until the end supported him.
昔の念がよみがえって、思わず涙が出た。
Old memories/thoughts resurfaced and I couldn't help but cry.
A desire or longing; also concern/worry depending on context.
子どもの安全を第一にという念が、親の行動を決めた。
The parent's desire to put their child's safety first determined their actions.
彼は失敗を恐れる念が強く、新しいことに踏み出せない。
He has a strong fear of failure and can't step into new things.
感謝の念を伝えるために手紙を書いた。
I wrote a letter to express my gratitude.
Care, attention, or caution (commonly used in expressions like '念を入れる' or '念のため').
念のため鍵を二度確認した。
I double-checked the keys just to be safe.
工事前に安全対策を念に入れて作業を進める。
Before construction, proceed with work while taking safety measures carefully.
彼女は念を入れて説明を繰り返した。
She explained repeatedly to make sure (everyone understood).